import java.util.Arrays;
import java.util.Scanner;

public class demo06 {
        public static void main(String[] args) {
            int[] arr = {19,28,37,46,50};
            System.out.println("原数组为"+Arrays.toString(arr));
            decideArray(arr);
        }
        public static void decideArray(int[] arr) {
            Scanner sc=new Scanner(System.in);
            System.out.println("请输入你要查找的元素");
            int inputNumber=sc.nextInt();
            int count=0;
            for (int i = 0; i < arr.length; i++) {
                if (inputNumber==arr[i]){
                    System.out.println("查找成功，索引为："+i);
                    count++;
                    break;
                }else if (inputNumber!=arr[i]){

                }
            }
            if (count++==0){
                System.out.println("-1");
            }
        }
    }